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an Elcometer company
11. Maintenance
The unit must be overhauled on a periodic basis to check the status of its components and
replace these when they are not in perfect condition.
In order to obtain the best possible results, ALWAYS USE ORIGINAL
SAGOLA SPARES THAT GUARANTEE TOTAL INTERCHANGEABILITY,
SAFETY AND PERFECT OPERATION.
In order to carry out maintenance or repairs, first disconnect the unit from the compressed air
distribution network.
Do not apply excessive force or inadequate tools for maintaining and cleaning the unit.
Some repairs must be done with special tools on some occasions. In these cases, you must
contact the Customer Service of SAGOLA.
Do not use graphite greases as they dry out the joints, altering
their operation.
Never work with the unit empty in order to avoid premature
wear of the packing gland soft the stuffing box and piston.
If required, every day check and grease by means of grease
nipple (No.29) for the maintenance and lubrication of the
packing gland. The service life of the unit depends on this
greasing process.
Every time there is a leak through the packing gland (No.16),
this must be re-tightened with the special rods supplied for this
purpose, with the unit draining (without pressure). Tighten until
the leak is eliminated. Then tighten a + turn more.
Do not tighten the packing gland excessively as this will produce a
premature wear of the packing gland stuffing boxes.
Any handling of this product by non-authorised personnel would render the warranty null and void.
REPAIR GUIDE
Replacing the suction valve
1.- Depressurise the pump following the decompression procedure.
2.- Disassemble the suction tube (No 28) or pump from its support.
3.- Disassemble the lower suction valve assembly (No. 26). Place the new lower valve.
4.- Mount the suction hose or pump on the support.
Replacing the piston valve
1.- Depressurise the pump following the decompression procedure.
2.- Disassemble the gravity cup or the suction hose.
3.- Disassemble the hydraulic cylinder (No.23).
DO NOT STRIKE THE ENDS OF THE CYLINDERS DURING DISASSEMBLY.
4.- Unthread the valve (No.22).
5.- Place the new valve (No.22), holding with a wrench.
6.- Replace the hydraulic cylinder (No.23).
CHECK THE STATUS OF THE CYLINDER BEFORE ASSEMBLY.
EN
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